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Reusing output from last command in Bash
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12 Answers
12
Active
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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
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161
Yes, there's +[NSThread sleepForTimeInterval:]
(Just so you know for future questions, Object...
Uninstalling Android ADT
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213
The only way to remove the ADT plugin from Eclipse is to go to Help > About Eclipse/About A...
mongoDB/mongoose: unique if not null
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173
As of MongoDB v1.8+ you can get the desired behavior of ensuring unique values but allowing mu...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
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10 Answers
10
Active
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show all tags in git log
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17
Note about tag of tag (tagging a tag), which is at the origin of your issue, as Charles Bailey ...
Sort Go map values by keys
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158
The Go blog: Go maps in action has an excellent explanation.
When iterating over a map with a...
CSS filter: make color image with transparency white
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You can use
filter: brightness(0) invert(1);
html {
background: red;
}
p {
float: left;
max-width: 50%;
text-align: center;
}
img {
display: block;
max-width: 100%;
}
.filter {
-webkit-filter: brightness(0) invert(1);
filter: brig...
How to remove the lines which appear on file B from another file A?
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If the files are sorted (they are in your example):
comm -23 file1 file2
-23 suppresses the lines that are in both files, or only in file 2. If the files are not sorted, pipe them through sort first...
See the man page here
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Any equivalent to .= for adding to beginning of string in PHP?
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166
Nope. But you can do
$foo = "bar" . $foo
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